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- W3040624439 abstract "The paper's main goal is to compare the motion of solitary surface waves resulting from two similar but slightly different approaches. In the first approach, the numerical evolution of soliton surface waves moving over the uneven bottom is obtained using single wave equations. In the second approach, the numerical evolution of the same initial conditions is obtained by the solution of a coupled set of the Boussinesq equations for the same Euler equations system. We discuss four physically relevant cases of relationships between small parameters $alpha,beta,delta$. For the flat bottom, these cases imply the Korteweg-de Vries equation (KdV), the extended KdV (KdV2), fifth-order KdV (KdV5), and the Gardner equation (GE). In all studied cases, the influence of the bottom variations on the amplitude and velocity of a surface wave calculated from the Boussinesq equations is substantially more significant than that obtained from single wave equations." @default.
- W3040624439 created "2020-07-10" @default.
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- W3040624439 date "2020-07-02" @default.
- W3040624439 modified "2023-09-23" @default.
- W3040624439 title "Generalized KdV-type equations versus Boussinesq's equations for uneven bottom -- numerical study" @default.
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- W3040624439 doi "https://doi.org/10.12921/cmst.2020.0000036" @default.
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